Smoke-cleaning device



Aug. 20, 1929. PAVLIK SMOKE CLEANING DEVICE 'Filed June 7, 1926 PatentedAug. 20, 1929.

UNITED STATES FRANK PAVLIK, 0F

CHICAGO, ILLINOIS.

SMOKE-CLEANING DEVICE.

Application filed June 7,

This invention relates to improvements in smoke cleaning devices and hasamong its objects to provide a simple and novel means for cleaning theissuin smoke from stacks or chimneys by separating therefrom the soot orcinders.

Another object of the invention is found in the provision of mechanicalmeans operable by the stack or chimney draft for extracting the soot orcinders from the smoke or gases passing through the device.

A still further object of my invention contemplates the provision of aplurality of rotatable vanes interposed in the path of the smoke orgases for separating the soot and cinders therefrom.

IVith the above and other objects in view, my invention consists in thecombination, construction and arrangement of the parts and members setforth in the following specifications illustrated in the attacheddrawings and particularly pointed out in the appended claims.

Referring to the drawings:

Figure 1, is a vertical section of a chimney showing an application ofmy invention;

Figure 2, is a cross section through the chimney and my improved devicetaken on line 2-2 of Figure l;

Figure 3, is an enlarged vertical section 0 the device;

Figure 4, is a vertical section taken on line 44 of Figure 3;

Figure 5, is an enlarged elevation of one of the hub disks showing theconnection of the vanes thereto;

Figure 6, is a cross section through the hub disk taken on line 66 ofFigure 5;

Figure 7 is a developed elevation of one of the disked separators forthe hub disks;

Figure 8, is a section taken on line 88 of Figure 3, showing theconnection of the removable front section to the side walls;

Figure 9, shows a modified method of supporting my device within achimney by means of bar hangers.

Referring to the illustrations in more dedetail, 10 indicates the wallsof a chimney or smoke stack having an opening 11 in the bot tom thereofequipped with a clean-out gate 12.

My improved device is generally indicated by numeral 13 and comprises ahousing of general rectangular cross-section having end walls 13 and 13and side walls 13. The

1926. Serial No. 114,286.

upper portions of the side walls 13 have their upper edges preferablyrounded and flanged as shown in Figure 4. The wall 13 has an upperseparate arcuate extension 13 which is flanged over the edges of theside walls 13; likewise, the end wall 13 has a separate upper removableextension 13"" which is flanged over the side walls 13 and bolted to theflange of the side wall 13, as shown in Figure 8.

The upper portion of the housing 18 forms an interior chamber for aplurality of rotatably mounted vanes 14. The outer edges of the flatvanes 14, are provided with a plurality of integral spaced arcuatefingers 14 and the inner corners of these vanes 14 are cut and the cutportions are formed into cylindrical bearings 14 which are set into theapertures 15 of the hub disks 15. The hub disks 15 are also providedwith slot extensions 15 from the apertures 15 for supporting the lowerends of the sides of the vanes 14.

The hub disks 15 are loosely mounted for rotation on a shaft 16 which issecurely mounted in the side walls 13.

In order to maintain a clearance between the walls 13 and the revolvingvanes 14, and also provide a minimum of friction against the walls 13, Iprovide a pair of circular separators 17 which are stamped with a dishedsurface and with integral spaced extensions 17 which extensions are bentover the hubs 15, as shown in Figures 3 and 4, to rotate therewith; thedished sides having a small part of their surface in contact with V thewalls 13.

In order to eflectively rotate the vanes 14, I provide adeflector floor18 which will direct the smoke or gases to one side of the revolvingvanes to cause their rotation on the shaft 16 in the direction of thearrow shown in Figure 3.

The soot or cinders which are caught by the vanes and their extendingfingers is deposited on top of the floor 18 for discharge into thetubular compartment 19 which extends downwardly'to the bottom of thestack or chimney. The collected soot or cinders may be removed throughthe opening 11.

In operation, the smoke or gases passing upwardly through the stack orchimney are deflected by the floor 18 against one side of the vanes 14and thus cause their rotation. The particles of soot and cinders whichengage the straight portions of the vanes are arrested in their upwardmovement and brought to rest in the space between the vanes andthereafter discharged onto the floor 18. The arcuate fingers 1% permitthe passage of the gases through the slots between them.

and also act as partial separating means.

I claim:

1. In .a device of the kind described, and in combination, a housing, ashaft supported in said housing, a pair of disks loosely mounted on saidshaft, said disks having a plurality of apertures therein, a pluralityof vanes having integral portions seated in said apertures for retainingsaid vanes in spaced relation to each other on said disks, said vanesbeing radially disposed from said shaft and having integral spacedfingers on their outer edges to permit the passage of gasestherethrough, and a deflector for deflecting the gases to one side ofsaid shaft and vanes whereby said vanes will be rotated With said disksabout said shaft for arresting the movement of the heavier particles insaid gases to separate said particles from the issuing gases.

2. A device as embodied in claim 1, and including a separator betweeneach of said disks and the Walls of said housing, said separatorscomprising a circular dished member having integral arms bent over theperiphery of said disks for rotation therewith.

In Witness whereof I aflix my signature.

FRANK PAVLIK.

